/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
use std::net::IpAddr;

pub struct NetworkUtil;

impl NetworkUtil {
    pub fn get_local_address() -> Option<String> {
        match local_ip_address::local_ip() {
            Ok(value) => match value {
                IpAddr::V4(ip) => Some(ip.to_string()),
                IpAddr::V6(ip) => Some(ip.to_string()),
            },
            Err(_) => match local_ip_address::local_ipv6() {
                Ok(value) => match value {
                    IpAddr::V4(ip) => Some(ip.to_string()),
                    IpAddr::V6(ip) => Some(ip.to_string()),
                },
                Err(_) => None,
            },
        }
    }
}
